Spices.Obfuscator 5.6.6.3 Uncompromisable protection of your intellectual properties from prying eyes, competitors and reverse engineering. Spices.Obfuscator is a .Net code protection tool that offers the wide range of technologies to completely protect your .Net code and intellectual properties. The obfuscator rebuilds your .Net assemblies to the new format that is impossible to disassemble/decompile, and impossible to be understand.

Obfuscator 1.0 Obfuscator is a tool to modify x86 assembler source code in this way to make an analysis of compiled code very difficult.
It is an unusual tool and the target audience is quite small, but if you're writing assembler code and you want to protect your work from decompilation or just to make it as hard as it's possible to analyze, you might want to try it.